Question: When did Karl Pearson become a member of the American Academy of Arts and Sciences?
Paraphrase: What was the date that Karl Person began his membership at the American Academy of Arts and Sciences?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q310794 p:P463 ?s . ?s ps:P463 wd:Q463303 . ?s pq:P580 ?value}